garry's mod
13,421 Members - 1 Chatting, 535 In-Game, 2,083 Online

Natural Selection
3,486 Members - 0 Chatting, 140 In-Game, 613 Online

Left 4 Dead
6,718 Members - 6 Chatting, 345 In-Game, 1,279 Online

PC Gamer
10,173 Members - 2 Chatting, 166 In-Game, 909 Online

FacepunchStudios
13,510 Members - 0 Chatting, 574 In-Game, 2,404 Online

FPSbanana
5,083 Members - 0 Chatting, 172 In-Game, 636 Online

CS-Nation
361 Members - 0 Chatting, 10 In-Game, 58 Online

Electronic Sports League CSS
197 Members - 0 Chatting, 0 In-Game, 4 Online

Half-Life 2: Episode Two
439 Members - 0 Chatting, 21 In-Game, 82 Online

NFS
221 Members - 0 Chatting, 5 In-Game, 32 Online

Gears of War
224 Members - 0 Chatting, 9 In-Game, 37 Online

Team 3D
19 Members - 0 Chatting, 1 In-Game, 3 Online

Black Mesa
3,071 Members - 0 Chatting, 95 In-Game, 502 Online

SeXee Gamerz
1,755 Members - 0 Chatting, 95 In-Game, 356 Online

PoonTangClan
15,686 Members - 0 Chatting, 900 In-Game, 3,170 Online

OMFG HEAD SHOTS
2,439 Members - 0 Chatting, 72 In-Game, 337 Online

PC Gamer Magazine
5,138 Members - 0 Chatting, 147 In-Game, 905 Online

MaximumPC
1,745 Members - 0 Chatting, 63 In-Game, 355 Online

Doorman is God
62,493 Members - 0 Chatting, 1656 In-Game, 7,226 Online

SK Gaming
3,973 Members - 0 Chatting, 116 In-Game, 422 Online

NiP Gaming
468 Members - 0 Chatting, 6 In-Game, 43 Online

Fnatic Team
1,175 Members - 0 Chatting, 39 In-Game, 113 Online

The [-Q-] Clan [Public Group]
7,395 Members - 0 Chatting, 235 In-Game, 1,169 Online

BFG Gaming
59 Members - 0 Chatting, 3 In-Game, 14 Online

The Teamwork Movement
146,087 Members - 1 Chatting, 2974 In-Game, 14,473 Online

CBE Gam1ng
215 Members - 0 Chatting, 3 In-Game, 23 Online

PGS-GAMING
654 Members - 0 Chatting, 7 In-Game, 62 Online

Tight-Gamers
433 Members - 0 Chatting, 15 In-Game, 96 Online

Team Fortress 2
35,687 Members - 0 Chatting, 1142 In-Game, 5,330 Online

Winning Experience. Sports
126 Members - 0 Chatting, 1 In-Game, 9 Online

-|sZ|- United
4,021 Members - 0 Chatting, 42 In-Game, 209 Online

Whale/ballena
49 Members - 0 Chatting, 3 In-Game, 10 Online

Dark Side cs
1,232 Members - 0 Chatting, 6 In-Game, 58 Online

Free Tibet
37,813 Members - 0 Chatting, 1844 In-Game, 6,442 Online

Serious Gmod Gamers
197 Members - 0 Chatting, 9 In-Game, 34 Online

We want LinBins4Gmod!
4,159 Members - 0 Chatting, 278 In-Game, 1,043 Online